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(-) Description

Title :  THE STRUCTURE OF SPOIISA AND SPOIISB, A TOXIN - ANTITOXIN SYSTEM
 
Authors :  V. M. Levdikov, E. V. Blagova, A. A. Lebedev, A. J. Wilkinson, P. Florek,
Date :  29 Jul 10  (Deposition) - 08 Dec 10  (Release) - 23 Feb 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.50
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Gaf Domain, Toxin-Antitoxin, Sporulation, Toxin - Antitoxin Complex, Toxin-Antitoxin Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Florek, V. M. Levdikov, E. Blagova, A. A. Lebedev, R. Skrabana, S. Resetarova, P. Pavelcikova, I. Barak, A. J. Wilkinson
The Structure And Interactions Of Spoiisa And Spoiisb, A Toxin-Antitoxin System In Bacillus Subtilis.
J. Biol. Chem. V. 161 750 2010
PubMed-ID: 21147767  |  Reference-DOI: 10.1074/JBC.M110.172429

(-) Compounds

Molecule 1 - STAGE II SPORULATION PROTEIN SA
    Chains: A, C
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-DUET
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 92-248
    Gene: BSU12830, SPOIISA, YKAC
    Organism Scientific: BACILLUS SUBTILIS
    Organism Taxid: 1423
    Synonym: KILLER PROTEIN SPOIISA
 
Molecule 2 - STAGE II SPORULATION PROTEIN SB
    Chains: B, D
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-DUET
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: BSU12820, SPOIISB
    Organism Scientific: BACILLUS SUBTILIS
    Organism Taxid: 1423
    Synonym: ANTIDOTE PROTEIN SPOIISB

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit : ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 8)

Asymmetric/Biological Unit (1, 8)
No.NameCountTypeFull Name
1MSE8Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (0, 0)

(no "Site" information available for 3O6Q)

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:161 -B:9
2C:161 -D:9

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3O6Q)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3O6Q)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3O6Q)

(-) Exons   (0, 0)

(no "Exon" information available for 3O6Q)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:145
 aligned with SP2SA_BACSU | O34853 from UniProtKB/Swiss-Prot  Length:248

    Alignment length:145
                                   106       116       126       136       146       156       166       176       186       196       206       216       226       236     
          SP2SA_BACSU    97 TDTREILEENNEMLHMYLNRLKTYQYLLKNEPIHVYYGSIDAYAEGIDKLLKTYADKMNLTASLCHYSTQADKDRLTEHMDDPADVQTRLDRKDVYYDQYGKVVLIPFTIETQNYVIKLTSDSIVTEFDYLLFTSLTSIYDLVLP 241
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.eeeee.hhhhhhhhhhhhhhhhhhh...eeeeee..hhhhhhhhhh...hhhhhhhhhhh...ee.....eeeeeeee..eeeeeeee.....hhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3o6q A  97 TDTREILEENNEmLHmYLNRLKTYQYLLKNEPIHVYYGSIDAYAEGIDKLLKTYADKmNLTASLCHYSTQADKDRLTEHmDDPADVQTRLDRKDVYYDQYGKVVLIPFTIETQNYVIKLTSDSIVTEFDYLLFTSLTSIYDLVLP 241
                                   106  |  | 116       126       136       146       156       166       176       186       196       206       216       226       236     
                                      109-MSE                                      154-MSE               176-MSE                                                             
                                         112-MSE                                                                                                                             


Chain B from PDB  Type:PROTEIN  Length:43
 aligned with SP2SB_BACSU | O34800 from UniProtKB/Swiss-Prot  Length:56

    Alignment length:43
                                    18        28        38        48   
          SP2SB_BACSU     9 CEPRAAKPFKILKKRSTTSVASYQVSPHTARIFKENERLIDEY  51
               SCOP domains ------------------------------------------- SCOP domains
               CATH domains ------------------------------------------- CATH domains
               Pfam domains ------------------------------------------- Pfam domains
         Sec.struct. author ........eeeee....eee.....hhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------- PROSITE
                 Transcript ------------------------------------------- Transcript
                 3o6q B   9 CEPRAAKPFKILKKRSTTSVASYQVSPHTARIFKENERLIDEY  51
                                    18        28        38        48   


Chain C from PDB  Type:PROTEIN  Length:144
 aligned with SP2SA_BACSU | O34853 from UniProtKB/Swiss-Prot  Length:248

    Alignment length:144
                                   107       117       127       137       147       157       167       177       187       197       207       217       227       237    
          SP2SA_BACSU    98 DTREILEENNEMLHMYLNRLKTYQYLLKNEPIHVYYGSIDAYAEGIDKLLKTYADKMNLTASLCHYSTQADKDRLTEHMDDPADVQTRLDRKDVYYDQYGKVVLIPFTIETQNYVIKLTSDSIVTEFDYLLFTSLTSIYDLVLP 241
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
           Pfam domains (1) SpoIISA_toxin-3o6qC01 C:98-241                                                                                                                   Pfam domains (1)
           Pfam domains (2) SpoIISA_toxin-3o6qC02 C:98-241                                                                                                                   Pfam domains (2)
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.eeeee.hhhhhhhhhhhhhhhhhhh...eeeeee..hhhhhhhhhh...hhhhhhhhhhh...ee.....eeeeeeee..eeeeeeee.....hhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3o6q C  98 DTREILEENNEmLHmYLNRLKTYQYLLKNEPIHVYYGSIDAYAEGIDKLLKTYADKmNLTASLCHYSTQADKDRLTEHmDDPADVQTRLDRKDVYYDQYGKVVLIPFTIETQNYVIKLTSDSIVTEFDYLLFTSLTSIYDLVLP 241
                                   107 |  |  117       127       137       147      |157       167       177       187       197       207       217       227       237    
                                     109-MSE                                      154-MSE               176-MSE                                                             
                                        112-MSE                                                                                                                             


Chain D from PDB  Type:PROTEIN  Length:44
 aligned with SP2SB_BACSU | O34800 from UniProtKB/Swiss-Prot  Length:56

    Alignment length:44
                                    18        28        38        48    
          SP2SB_BACSU     9 CEPRAAKPFKILKKRSTTSVASYQVSPHTARIFKENERLIDEYK  52
               SCOP domains -------------------------------------------- SCOP domains
               CATH domains -------------------------------------------- CATH domains
           Pfam domains (1) SpoIISB_antitox-3o6qD01 D:9-52               Pfam domains (1)
           Pfam domains (2) SpoIISB_antitox-3o6qD02 D:9-52               Pfam domains (2)
         Sec.struct. author ........eeeee....eee.....hhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------- PROSITE
                 Transcript -------------------------------------------- Transcript
                 3o6q D   9 CEPRAAKPFKILKKRSTTSVASYQVSPHTARIFKENERLIDEYK  52
                                    18        28        38        48
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3O6Q)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3O6Q)

(-) Pfam Domains  (2, 4)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: SpoIISA_toxin] (1)
(-)
Clan: no clan defined [family: SpoIISB_antitox] (1)

(-) Gene Ontology  (6, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,C   (SP2SA_BACSU | O34853)
molecular function
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
    GO:0030435    sporulation resulting in formation of a cellular spore    The process in which a relatively unspecialized cell acquires the specialized features of a cellular spore, a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Chain B,D   (SP2SB_BACSU | O34800)
molecular function
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0030435    sporulation resulting in formation of a cellular spore    The process in which a relatively unspecialized cell acquires the specialized features of a cellular spore, a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction.

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